Technology

• Technical design document
  Design document
  A software design document is a written description of a software product, that a software designer writes in order to give a software development team an overall guidance of the architecture of the software project. An SDD usually accompanies an architecture diagram with pointers to detailed...
  
  , a low-level type of design document
• Telecommunications device for the deaf
  Telecommunications device for the deaf
  A telecommunications device for the deaf is a teleprinter, an electronic device for text communication over a telephone line, that is designed for use by persons with hearing or speech difficulties...
  
  , a device for text communication along a telephone line
• Test-driven development
  Test-driven development
  Test-driven development is a software development process that relies on the repetition of a very short development cycle: first the developer writes a failing automated test case that defines a desired improvement or new function, then produces code to pass that test and finally refactors the new...
  
  , a type of software development methodology
• Time-division duplex, the application of time-division multiplexing to separate outward and return signals

Music

• Trick Daddy
  Trick Daddy
  Maurice Young , better known by his stage name Trick Daddy, is a certified platinum American rapper and producer from Miami, Florida.-Music career:...
  
   Dollars (born 1973), American rap artist
• Three Doors Down, an American rock band
• The Dresden Dolls
  The Dresden Dolls
  The Dresden Dolls are an American musical duo from Boston, Massachusetts. Formed in 2000, the group consists of Amanda Palmer and Brian Viglione...
  
  , a punk cabaret band
• Those Dancing Days
  Those Dancing Days
  Those Dancing Days are an indie pop band from Nacka, a suburb of Stockholm, Sweden. Most frequently compared to Northern Soul and 1960s era girl-groups, the band formed in 2005 while the members were all still in school. They are currently signed to Wichita Recordings. The band consists of five...
  
  , a swedish indie pop band

Other uses

• Transdermal Drug Delivery, a method of delivering drugs through the skin and into the bloodstream
• Teniente Jorge Henrich Arauz Airport, Trinidad, Bolivia
  Trinidad, Bolivia
  Trinidad, officially La Santísima Trinidad , is a city in Bolivia, capital of the department of Beni. The population is 130,000 ....
  
  , IATA airport code